<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
    PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>Qt 4.3: locationdialog.cpp Example File (tools/settingseditor/locationdialog.cpp)</title>
  <link href="classic.css" rel="stylesheet" type="text/css" />
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td>
<td width="1">&nbsp;&nbsp;</td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a>&nbsp;&middot; <a href="classes.html"><font color="#004faf">All&nbsp;Classes</font></a>&nbsp;&middot; <a href="mainclasses.html"><font color="#004faf">Main&nbsp;Classes</font></a>&nbsp;&middot; <a href="groups.html"><font color="#004faf">Grouped&nbsp;Classes</font></a>&nbsp;&middot; <a href="modules.html"><font color="#004faf">Modules</font></a>&nbsp;&middot; <a href="functions.html"><font color="#004faf">Functions</font></a></td>
<td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">locationdialog.cpp Example File<br /><sup><sup>tools/settingseditor/locationdialog.cpp</sup></sup></h1>
<pre><span class="comment"> /****************************************************************************
 **
 ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
 ** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. 
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
** you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
** granted herein.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ****************************************************************************/</span>

 #include &lt;QtGui&gt;

 #include &quot;locationdialog.h&quot;

 LocationDialog::LocationDialog(QWidget *parent)
     : QDialog(parent)
 {
     formatComboBox = new QComboBox;
     formatComboBox-&gt;addItem(tr(&quot;Native&quot;));
     formatComboBox-&gt;addItem(tr(&quot;INI&quot;));

     scopeComboBox = new QComboBox;
     scopeComboBox-&gt;addItem(tr(&quot;User&quot;));
     scopeComboBox-&gt;addItem(tr(&quot;System&quot;));

     organizationComboBox = new QComboBox;
     organizationComboBox-&gt;addItem(tr(&quot;Trolltech&quot;));
     organizationComboBox-&gt;setEditable(true);

     applicationComboBox = new QComboBox;
     applicationComboBox-&gt;addItem(tr(&quot;Any&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Application Example&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Assistant&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Designer&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Linguist&quot;));
     applicationComboBox-&gt;setEditable(true);
     applicationComboBox-&gt;setCurrentIndex(3);

     formatLabel = new QLabel(tr(&quot;&amp;Format:&quot;));
     formatLabel-&gt;setBuddy(formatComboBox);

     scopeLabel = new QLabel(tr(&quot;&amp;Scope:&quot;));
     scopeLabel-&gt;setBuddy(scopeComboBox);

     organizationLabel = new QLabel(tr(&quot;&amp;Organization:&quot;));
     organizationLabel-&gt;setBuddy(organizationComboBox);

     applicationLabel = new QLabel(tr(&quot;&amp;Application:&quot;));
     applicationLabel-&gt;setBuddy(applicationComboBox);

     locationsGroupBox = new QGroupBox(tr(&quot;Setting Locations&quot;));

     QStringList labels;
     labels &lt;&lt; tr(&quot;Location&quot;) &lt;&lt; tr(&quot;Access&quot;);

     locationsTable = new QTableWidget;
     locationsTable-&gt;setSelectionMode(QAbstractItemView::SingleSelection);
     locationsTable-&gt;setSelectionBehavior(QAbstractItemView::SelectRows);
     locationsTable-&gt;setEditTriggers(QAbstractItemView::NoEditTriggers);
     locationsTable-&gt;setColumnCount(2);
     locationsTable-&gt;setHorizontalHeaderLabels(labels);
     locationsTable-&gt;horizontalHeader()-&gt;setResizeMode(0, QHeaderView::Stretch);
     locationsTable-&gt;horizontalHeader()-&gt;resizeSection(1, 180);

     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                      | QDialogButtonBox::Cancel);

     connect(formatComboBox, SIGNAL(activated(int)),
             this, SLOT(updateLocationsTable()));
     connect(scopeComboBox, SIGNAL(activated(int)),
             this, SLOT(updateLocationsTable()));
     connect(organizationComboBox, SIGNAL(editTextChanged(const QString &amp;)),
             this, SLOT(updateLocationsTable()));
     connect(applicationComboBox, SIGNAL(editTextChanged(const QString &amp;)),
             this, SLOT(updateLocationsTable()));
     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

     QVBoxLayout *locationsLayout = new QVBoxLayout;
     locationsLayout-&gt;addWidget(locationsTable);
     locationsGroupBox-&gt;setLayout(locationsLayout);

     QGridLayout *mainLayout = new QGridLayout;
     mainLayout-&gt;addWidget(formatLabel, 0, 0);
     mainLayout-&gt;addWidget(formatComboBox, 0, 1);
     mainLayout-&gt;addWidget(scopeLabel, 1, 0);
     mainLayout-&gt;addWidget(scopeComboBox, 1, 1);
     mainLayout-&gt;addWidget(organizationLabel, 2, 0);
     mainLayout-&gt;addWidget(organizationComboBox, 2, 1);
     mainLayout-&gt;addWidget(applicationLabel, 3, 0);
     mainLayout-&gt;addWidget(applicationComboBox, 3, 1);
     mainLayout-&gt;addWidget(locationsGroupBox, 4, 0, 1, 2);
     mainLayout-&gt;addWidget(buttonBox, 5, 0, 1, 2);
     setLayout(mainLayout);

     updateLocationsTable();

     setWindowTitle(tr(&quot;Open Application Settings&quot;));
     resize(650, 400);
 }

 QSettings::Format LocationDialog::format() const
 {
     if (formatComboBox-&gt;currentIndex() == 0)
         return QSettings::NativeFormat;
     else
         return QSettings::IniFormat;
 }

 QSettings::Scope LocationDialog::scope() const
 {
     if (scopeComboBox-&gt;currentIndex() == 0)
         return QSettings::UserScope;
     else
         return QSettings::SystemScope;
 }

 QString LocationDialog::organization() const
 {
     return organizationComboBox-&gt;currentText();
 }

 QString LocationDialog::application() const
 {
     if (applicationComboBox-&gt;currentText() == tr(&quot;Any&quot;))
         return &quot;&quot;;
     else
         return applicationComboBox-&gt;currentText();
 }

 void LocationDialog::updateLocationsTable()
 {
     locationsTable-&gt;setUpdatesEnabled(false);
     locationsTable-&gt;setRowCount(0);

     for (int i = 0; i &lt; 2; ++i) {
         if (i == 0 &amp;&amp; scope() == QSettings::SystemScope)
             continue;

         QSettings::Scope actualScope = (i == 0) ? QSettings::UserScope
                                                 : QSettings::SystemScope;
         for (int j = 0; j &lt; 2; ++j) {
             if (j == 0 &amp;&amp; application().isEmpty())
                 continue;

             QString actualApplication;
             if (j == 0)
                 actualApplication = application();
             QSettings settings(format(), actualScope, organization(),
                                actualApplication);

             int row = locationsTable-&gt;rowCount();
             locationsTable-&gt;setRowCount(row + 1);

             QTableWidgetItem *item0 = new QTableWidgetItem;
             item0-&gt;setText(settings.fileName());

             QTableWidgetItem *item1 = new QTableWidgetItem;
             bool disable = (settings.childKeys().isEmpty()
                             &amp;&amp; settings.childGroups().isEmpty());

             if (row == 0) {
                 if (settings.isWritable()) {
                     item1-&gt;setText(tr(&quot;Read-write&quot;));
                     disable = false;
                 } else {
                     item1-&gt;setText(tr(&quot;Read-only&quot;));
                 }
                 buttonBox-&gt;button(QDialogButtonBox::Ok)-&gt;setDisabled(disable);
             } else {
                 item1-&gt;setText(tr(&quot;Read-only fallback&quot;));
             }

             if (disable) {
                 item0-&gt;setFlags(item0-&gt;flags() &amp; ~Qt::ItemIsEnabled);
                 item1-&gt;setFlags(item1-&gt;flags() &amp; ~Qt::ItemIsEnabled);
             }

             locationsTable-&gt;setItem(row, 0, item0);
             locationsTable-&gt;setItem(row, 1, item1);
         }
     }
     locationsTable-&gt;setUpdatesEnabled(true);
 }</pre>
<p /><address><hr /><div align="center">
<table width="100%" cellspacing="0" border="0"><tr class="address">
<td width="30%">Copyright &copy; 2008 <a href="trolltech.html">Trolltech</a></td>
<td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td>
<td width="30%" align="right"><div align="right">Qt 4.3.5</div></td>
</tr></table></div></address></body>
</html>
